hi there rizwan from pakwheels... well i deal in used car audio for karachi.. but dealing in used stuff there are complaints.. i have dealers here who can provide me good used headunits, amps and the lot!!
I also have a passion for car audio systems for pioneer, kenwood and alpine, such as speakers, amps, headunits, etc... i would be more than happy to help you out.
email me or u can always call....
rizwan.mcr@gmail.com or 0092-3232451082